Home / 100,765.16-151,167.18-56,441.96

Finding the Fourth Proportional to 100,765.16, 151,167.18 and 56,441.96

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Solution

The fourth proportional to 100,765.16, 151,167.18 and 56,441.96 is: 84,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,765.16 : 151,167.18 = 56,441.96 : x
  2. Step 2: Convert to fraction form
    100,765.16/151,167.18 = 56,441.96/x
  3. Step 3: Cross multiply
    100,765.16x = 151,167.18 × 56,441.96
  4. Step 4: Simplify right side
    100,765.16x = 8,532,171,926.87
  5. Step 5: Solve for x
    x = 8,532,171,926.87/100,765.16
  6. Step 6: Final answer
    x = 84,673.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.